Tannoy HPD 385/8
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 14.7 Hz |
| Qts | 0.185 |
| Qes | 0.19 |
| Qms | 6.65 |
| Vas | 830 L |
| Sd | 851 cm² |
| Xmax | 3 mm |
| Re | 5.2 Ω |
| Bl | 19 T·m |
| Mms | 143.4 g |
| Pe | 85 W |
| Sensitivity | 95.3 dB |
Alignment hint
| EBP | 77 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 61 L |
EBP 50-100: works in either a sealed or ported alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| JBL 136A | 16 +1.3 | 0.212 +0.03 | 736.2 -93.8 | 5.1 +2.1 | 94.4 -0.9 | usable | + | |
| JBL 2231A | 16 +1.3 | 0.212 +0.03 | 736.2 -93.8 | 5.1 +2.1 | 94.4 -0.9 | usable | + | |
| JBL 2231H | 16 +1.3 | 0.212 +0.03 | 736.2 -93.8 | 5.1 +2.1 | 94.4 -0.9 | usable | + | |
| Focal AUDIOM 15VX v3 | 17.5 +2.8 | 0.211 +0.03 | 717.7 -112.3 | 6 +3 | 95.1 -0.2 | usable | + | |
| Audax HD35S66 | 18 +3.3 | 0.217 +0.03 | 735 -95 | 5 +2 | 96.4 +1.1 | usable | + | |
| JBL 2215A | 20 +5.3 | 0.212 +0.03 | 736.2 -93.8 | 4.1 +1.1 | 95.8 +0.5 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| JBL LE15A | 20 +5.3 | 0.212 +0.03 | 736.2 -93.8 | 4.1 +1.1 | 95.8 +0.5 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| JBL 1501AL-1 | 19 +4.3 | 0.191 +0.01 | 630 -200 | 6.4 +3.4 | 94.6 -0.7 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Audax PR38SM250 | 19.5 +4.8 | 0.177 -0.01 | 660 -170 | 4 +1 | 97.7 +2.4 | usable | + | |
| Focal AUDIOM 15VX v2 | 18.4 +3.7 | 0.224 +0.04 | 727 -103 | 6 +3 | 96.1 +0.8 | usable | + |
Compare the closest 3 against the HPD 385/8 →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.